Question : A police car is travelling in a straight line with a constant speed v. A truck travelling in the same direction with constant velocity 3v/2 passes, the police car at t = 0. The police car starts acceleration 10 s after passing the truck, at a constant rate of 3 ms-2, while truck continues to move at constant speed. If he police car takes 10 s further to catch the truck, find the value of
(a) 10m/s
(b) 15 m/s
(c) 20 m/s
(d) 30 m/s
Answer : The Right option is (b)
Solution :
